pub unsafe extern "C" fn gsl_sort_vector2_long_double(
v1: *mut gsl_vector_long_double,
v2: *mut gsl_vector_long_double,
)pub unsafe extern "C" fn gsl_sort_vector2_long_double(
v1: *mut gsl_vector_long_double,
v2: *mut gsl_vector_long_double,
)